
$htmlSize:14;
@media screen and ( max-width: 320px){/*320px显示屏样式 苹果4/4S/5C/5S黑莓Z30 */
  html{
    font-size: 12px;
  }
  $htmlSize:12;
}
@media (min-width: 321px) and ( max-width: 375px){/*360px显示屏样式 索尼Z1*/
  html{
    font-size: 14px;
  }
  $htmlSize:14;
}
@media ( min-width: 376px) and ( max-width: 414px){/*414px显示屏样式 苹果6plus*/
  html{
    font-size: 15.5px;
  }
  $htmlSize:15.5;
}
@media screen and ( min-width: 415px){/*414px之上的*/
  html{
    font-size: 18px;
  }
  $htmlSize:18;
}
@function rem($px) {
  @return $px / $htmlSize/2 * 1rem;
}
@function rem($px) {
  @return $px / $htmlSize/2 * 1rem;
}
